Aerodynamic forces directly depend on the gas density. To help spacecraft designers, it is useful to define a mathematical model of the atmosphere to capture the effects of altitude. The model shown here was developed from measurements of the Martian atmosphere made by the Mars Global Surveyor in April 1996.
The average pay for an Attorney / Lawyer is $77,252 per year. Experience has a moderate effect on salary for this job. People in this job generally don't have more than 20 years' experience.
Local governments employ the most lawyers in the U.S. and as of 2009, 51,790 lawyers were employed at the local level. The federal government employs 31,300 lawyers and state governments employ 36,080 lawyers. Federal lawyers are the highest paid on average, with a mean annual salary of $127,550.State lawyers earn $82,750 on average, which is less than lawyers employed by local governments who earn an average wage of $91,040.s a whole, lawyers across the U.S. earn an average salary of $129,020, meaning government lawyers earn wages below the national average, according to the Bureau of Labor Statistics (BLS) as of 2009.